Search a number
-
+
144424402 = 2151147791
BaseRepresentation
bin10001001101110…
…11110111010010
3101001202112000221
420212323313102
5243433040102
622155303254
73402405253
oct1046736722
9331675027
10144424402
1174584211
124044ab2a
1323bc9135
1415276b2a
15ca2c637
hex89bbdd2

144424402 has 8 divisors (see below), whose sum is σ = 216784512. Its totient is φ = 72162900.

The previous prime is 144424391. The next prime is 144424421. The reversal of 144424402 is 204424441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20874 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (27098064).

Almost surely, 2144424402 is an apocalyptic number.

144424402 is a deficient number, since it is larger than the sum of its proper divisors (72360110).

144424402 is a wasteful number, since it uses less digits than its factorization.

144424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49304.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 144424402 is about 12017.6704065305. The cubic root of 144424402 is about 524.6627033738.

Adding to 144424402 its reverse (204424441), we get a palindrome (348848843).

The spelling of 144424402 in words is "one hundred forty-four million, four hundred twenty-four thousand, four hundred two".

Divisors: 1 2 1511 3022 47791 95582 72212201 144424402